:root {
  --bg: #0b1120;
  --bg-glow: #1e1b4b;
  --surface: rgba(15, 23, 42, 0.72);
  --border: rgba(148, 163, 184, 0.14);
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #818cf8;
  --accent-strong: #6366f1;
  --success: #34d399;
  --font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius: 16px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(99, 102, 241, 0.28), transparent 60%),
    radial-gradient(circle at 100% 100%, rgba(52, 211, 153, 0.08), transparent 35%),
    linear-gradient(180deg, var(--bg) 0%, #020617 100%);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem 2rem;
}

.card {
  width: min(720px, 100%);
  padding: clamp(2rem, 5vw, 3rem);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.brand-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.brand-name {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.badge {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(129, 140, 248, 0.35);
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.12);
  color: #c7d2fe;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 6vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: 700;
}

.lead {
  margin: 0 auto 2rem;
  max-width: 34rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  line-height: 1.65;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.875rem;
  margin-bottom: 2rem;
  text-align: left;
}

.feature {
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(2, 6, 23, 0.45);
}

.feature strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9375rem;
}

.feature span {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 1.25rem;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent-strong), #4f46e5);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.35);
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.8);
}

.footer {
  padding: 1.5rem;
  text-align: center;
  color: #64748b;
  font-size: 0.875rem;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
}

.footer a:hover {
  color: var(--accent);
}

@media (max-width: 540px) {
  .features {
    grid-template-columns: 1fr;
  }

  .cta-row {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}
